// ActionTrace.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "ActionTrace.h"
#include "ActionTraceDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CActionTraceApp

BEGIN_MESSAGE_MAP(CActionTraceApp, CWinApp)
	ON_COMMAND(ID_HELP, &CWinApp::OnHelp)
END_MESSAGE_MAP()


BOOL CALLBACK EnumWndProc(HWND hWnd, LPARAM lparam);

// CActionTraceApp construction

CActionTraceApp::CActionTraceApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}


// The one and only CActionTraceApp object

CActionTraceApp theApp;


// CActionTraceApp initialization

BOOL CActionTraceApp::InitInstance()
{
	// InitCommonControlsEx() is required on Windows XP if an application
	// manifest specifies use of ComCtl32.dll version 6 or later to enable
	// visual styles.  Otherwise, any window creation will fail.
	INITCOMMONCONTROLSEX InitCtrls;
	InitCtrls.dwSize = sizeof(InitCtrls);
	// Set this to include all the common control classes you want to use
	// in your application.
	InitCtrls.dwICC = ICC_WIN95_CLASSES;
	InitCommonControlsEx(&InitCtrls);

	CWinApp::InitInstance();

	// Keep only 1 instance
	HWND oldHwnd = NULL;
	::EnumWindows(EnumWndProc, (LPARAM)&oldHwnd);
	if (oldHwnd != NULL)
	{
		::ShowWindow(oldHwnd, SW_SHOWNORMAL);
		::SetForegroundWindow(oldHwnd);
		return false;
	}

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	// of your final executable, you should remove from the following
	// the specific initialization routines you do not need
	// Change the registry key under which our settings are stored
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization
	SetRegistryKey(_T("Youquan Feng, Action Trace"));

	CActionTraceDlg dlg;
	m_pMainWnd = &dlg;
	INT_PTR nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

TCHAR g_szPropName[] = _T("YouquanFeng");
HANDLE g_hPropValue = (HANDLE)1;
BOOL CALLBACK EnumWndProc(HWND hWnd, LPARAM lparam)
{
	HANDLE h = ::GetProp(hWnd, g_szPropName);
	if (h == g_hPropValue)
	{
		*(HWND *)lparam = hWnd;
		return FALSE;
	}
	return TRUE;
}